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385437 = 3139883
BaseRepresentation
bin1011110000110011101
3201120201110
41132012131
544313222
612132233
73163503
oct1360635
9646643
10385437
11243648
12167079
13106590
14a0673
157930c
hex5e19d

385437 has 8 divisors (see below), whose sum is σ = 553504. Its totient is φ = 237168.

The previous prime is 385433. The next prime is 385471. The reversal of 385437 is 734583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385437 - 22 = 385433 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4903 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (69188).

2385437 is an apocalyptic number.

It is an amenable number.

385437 is a deficient number, since it is larger than the sum of its proper divisors (168067).

385437 is a wasteful number, since it uses less digits than its factorization.

385437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899.

The product of its digits is 10080, while the sum is 30.

The square root of 385437 is about 620.8357270647. The cubic root of 385437 is about 72.7753775968.

The spelling of 385437 in words is "three hundred eighty-five thousand, four hundred thirty-seven".

Divisors: 1 3 13 39 9883 29649 128479 385437